Description: A 2D top-down view, strategy game, with original mechanics. The game consists of 46 levels. Each level takes approximately 30-60 seconds to clear, but maybe 10 minutes to think or 10 times to try. You would operate two characters to collect diamonds from mines, one character moves quickly and works slowly, and the other character moves slowly and works quickly. Although each character has different moving control keys, only one character can be moved at one time. When get diamonds from mining, characters could fetch diamonds of different colors into "little universe" to generate bricks of corresponding color to pave the way to the key. Each level has strict time limit, and you need to obtain the key within the time limit.